Ruby shadowing method example

shadow.rb

# https://thomasleecopeland.com/2017/04/20/shadowing-bug-in-the-wild.html
# https://docs.ruby-lang.org/en/2.4.0/syntax/assignment_rdoc.html#label-Local+Variables+and+Methods
# https://www.codinginthecrease.com/news_article/show/307337

class Okay
  def yep
    "yep"
  end
  
  def nope
    puts "yep: #{yep}"
    if false
      yep = "nope"
    end
    puts "yep: #{yep}"
  end
end

Okay.new.nope
# yep: yep
# yep: